CHRYSOPHANIC a.
em.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also rhein, rheic acid, rhubarbarin, etc.
CINEMATOGRAPH n.
A machine, combining magic lantern and kinetoscope features, for projecting on a screen a series of pictures, moved rapidly (25 to 50 a second) and intermittently before an objective lens, and producing by persistence of vision the illusion of continuous motion; a moving-picture machine; also, any of several other mach…
CLEW; CLUE n.
A combination of lines or nettles by which a hammock is suspended. Clew garnet (Naut.), one of the ropes by which the clews of the courses of square-rigged vessels are drawn up to the lower yards. -- Clew line (Naut.), a rope by which a clew of one of the smaller square sails, as topsail, topgallant sail, or royal, is…